TY  - JOUR
AU  - A. V. Ostrovsky
TI  - On nonseparable $\tau$ -- $A$-sets and their mappings
JO  - Doklady Akademii Nauk
PY  - 1976
SP  - 269
EP  - 272
VL  - 226
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1976_226_2_a5/
LA  - ru
ID  - DAN_1976_226_2_a5
ER  -